Best Seats

Chef and Chefina are trying to watch a cricket game. They have already decided a row of $N$ seats where they will seat, but they are yet to figure out the exact $2$ seats they will buy. The $i$-th seat in the row costs $A_i$ coins to buy. Obviously, they have to sit next to each other, so they will only buy adjacent seats. Can you figure out the minimum cost for them to buy $2$ seats such that t